TY - JOUR AU - S. M. Nikol'skii TI - A Generalization of the Fundamental Theorem of Spherical Harmonic Theory JO - Contemporary Mathematics. Fundamental Directions PY - 2007 SP - 102 EP - 105 VL - 25 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMFD_2007_25_a8/ LA - ru ID - CMFD_2007_25_a8 ER -